Chemistry, 07.10.2019 20:00 queendolly
In which reaction do four total molecules of reactants produce two total molecules of products?
2so2 + o2→2so3
2h2s + 3o2→2so2 + 2h2o
sno2+ 2h2→sn + 2h2o
n2+3h2→2nh3
Answers: 1
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Avariable that is not being directly tested during an experiment should be
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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In which reaction do four total molecules of reactants produce two total molecules of products?
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